Fix build with -fno-semantic-interposition

Fixes https://github.com/systemd/systemd/issues/41494

Follow-up for 44cc82bfbf160bba2562bec08ffacbd587771210

diff --git a/src/shared/mount-util.c b/src/shared/mount-util.c
index 02f63f802a4a891519e3ce912121d6a5eb99b5b6..f7bba5d080c859d4d0aae42b5afa3997cd2eaa3f 100644 (file)
--- a/src/shared/mount-util.c
+++ b/src/shared/mount-util.c
@@ -2067,7 +2067,7 @@ int make_fsmount(
 
                 r = extract_first_word(&p, &word, ",", EXTRACT_KEEP_QUOTE);
                 if (r < 0)
-                        return log_full_errno(error_log_level, r, "Failed to parse mount option string \"%s\": %m", o);
+                        return log_full_errno(error_log_level, r, "Failed to parse mount option string \"%s\": %m", strempty(o));
                 if (r == 0)
                         break;